Andrea Gasparrini wrote:
> Hi to all you of MSX,
>
> Ask you a your help to make a routine in assembler, to save 2 video page
> in SCREEN1 in the RAM, here under there is routine in assembler for the
> RAM video, but what only save a video page in the ram.
>
> page save video in the SCREEN1 ram
Hi to all you of MSX,
Ask you a your help to make a routine in assembler, to save 2 video page
in SCREEN1 in the RAM, here under there is routine in assembler for the
RAM video, but what only save a video page in the ram.
page save video in the SCREEN1 ram to the &HBD00 address
LD HL,1800H
LD D
t; helps it.
> The routine that follows illustrious when called for a video page:
>
> SAVE VIDEO RAM FOR SCREEN1
>
> LD HL,01800H
> LD DE,0BD00H
> LD BC,0300H
> CALL 0059H
> RET
>
> LOAD VIDEO RAM FOR SCREEN1
>
> LD HL,0BD00H
> LD DE,01800H
> LD BC,0300H
>
: Video Ram
On Fri, 23 Jun 2000, JP Grobler wrote:
> I don't know muck about electronicss, but are curious to know why the svi
> 738 has 2x16k Video ram chips if only 16k is available, also the upgrade
> to msx2 sugests 4x64k ram chips, but only 128k is available. I saw the
> same
On Fri, 23 Jun 2000, JP Grobler wrote:
> I don't know muck about electronicss, but are curious to know why the svi
> 738 has 2x16k Video ram chips if only 16k is available, also the upgrade
> to msx2 sugests 4x64k ram chips, but only 128k is available. I saw the
> same in the s
Hi
I don't know muck about electronicss, but are curious to know why the svi
738 has 2x16k Video ram chips if only 16k is available, also the upgrade to
msx2 sugests 4x64k ram chips, but only 128k is available. I saw the same in
the schematics for the addram (4m) cartridge, it uses 2x4
